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SubjectRe: [PATCH 18/27] bpf: Restrict kernel image access functions when the kernel is locked down
Alexei Starovoitov <> wrote:

> > TBH, I've no idea how bpf does anything, so I can't say whether this is
> > better, overkill or insufficient.
> ok. To make it clear:
> Nacked-by: Alexei Starovoitov <>
> For the current patch.
> Unnecessary checks for no good reason in performance critical
> functions are not acceptable.

They aren't unnecessary checks.

Can you please suggest if there's some way more suitable than just killing bpf
entirely? I don't know the code, and I presume you do.


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